Smelting system for iron-based multi-metal mineral materials
A multi-metal and metal ore technology, applied in the field of metal smelting, can solve the problems of poor adaptability of raw materials and high energy consumption, and achieve the effect of improving environmental emission indicators, improving recovery rate, and reducing comprehensive energy consumption
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Example Embodiment
[0039] Example 1
[0040] Such as Figure 1 to 4 As shown, the molten pool smelting device includes a connected molten pool smelting device 200 and an electrothermal reduction device 300. The molten pool smelting device 200 is provided with a first feeding port 201 and a second feeding port 202, and the first feeding port 201 is provided at the melting point. At the top of the pool smelting device 200, the second feeding port 202 is provided on the side wall of the molten pool smelting device 200, and the electrothermal reduction device 300 is provided with a slag discharge port 301 and a metal discharge port 302. The nozzle of the first side blowing gun 210 is immersed below the liquid level of the molten pool in the molten pool smelting device 200 through the second feeding port 202 to spray fuel and oxygen-enriched air into the molten pool.
[0041] The electrothermal reduction device 300 is provided with three electrodes 310 (self-baking electrodes), and uses AC power supply. ...
Example Embodiment
[0043] Example 2
[0044] The difference from Example 1 is:
[0045] The molten pool smelting device 200 does not use a submerged side blowing spray gun to inject fuel.
[0046] Through the above smelting process, the recovery rate of vanadium is 93wt%, the recovery rate of iron is 88wt%, and the comprehensive energy consumption is 7% higher than that of Example 1.
Example Embodiment
[0047] Example 3
[0048] The difference from Embodiment 1 is that the number of electrodes 310 is two.
[0049] Through the above-mentioned smelting process, the recovery rate of vanadium is 94 wt%, and the recovery rate of iron is 87 wt%.
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